






class Student {
    //私有属性name
    private String name = "bit";
    //公有属性age
    public int age = 18;

    //不带参数的构造方法
    public Student() {
        System.out.println("Student()");
    }

    private Student(String name, int age) {
        this.name = name;
        this.age = age;
        System.out.println("Student(String,name)");
    }

    private void eat() {
        System.out.println("i am eat");
    }

    public void sleep() {
        System.out.println("i am pig");
    }

    private void function(String str) {
        System.out.println(str);
    }


    @Override
    public String toString() {
        return "Student{" +
                "name='" + name + '\'' +
                ", age=" + age +
                '}';
    }
}

public class TestReflection {

    public static void main(String[] args) {

        Class<?> c1=null;
        //1、获得class的对象的student类
        try {
            c1=Class.forName("TestReflection.Student");//用的最多的
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }

        //2、获得class的对象的student类
        Class<?> c2=Student.class;

        //3.获得class的对象的student类
        Student student=new Student();
        Class<?> c3=student.getClass();

        System.out.println(c1.equals(c2));
        System.out.println(c1==c3);
        System.out.println(c2==c3);



    }

}

